/* TİM Akademi — Kurumsal */
:root {
  --gold: #e8b923;
  --gold-soft: rgba(232, 185, 35, 0.12);
  --gold-glow: rgba(232, 185, 35, 0.35);
  --ink: #0f172a;
  --ink-soft: #1e293b;
  --slate: #64748b;
  --mist: #f1f5f9;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.14);
  --font-display: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --header-h: 76px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.02em;
}

.container {
  width: min(1160px, 90vw);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  padding: 0.65rem 1rem;
  background: var(--ink);
  color: var(--gold);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.35s var(--ease), background 0.35s;
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo — şeffaf arka plan */
.logo {
  display: block;
  width: auto;
  object-fit: contain;
}
.logo--header {
  height: 48px;
}
.logo--hero {
  width: 100%;
  max-width: 380px;
  margin-inline: auto;
  filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.35));
}
.logo--footer {
  height: 52px;
  opacity: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--slate);
  transition: color 0.2s;
}
.nav a:not(.nav-cta):hover { color: var(--ink); }

.nav-cta {
  background: var(--ink) !important;
  color: var(--white) !important;
  padding: 0.55rem 1.2rem;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: background 0.2s, transform 0.2s !important;
}
.nav-cta:hover {
  background: var(--ink-soft) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: 0.3s var(--ease);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s;
}
.btn-primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.2);
}
.btn-primary:hover {
  background: var(--ink-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.22);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: var(--mist);
}
.btn-block { width: 100%; }

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 4rem) 0 5rem;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, var(--gold-glow), transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(59, 130, 246, 0.08), transparent),
    linear-gradient(160deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

#hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1.25rem;
  line-height: 1.12;
}
#hero-title em {
  font-style: normal;
  color: var(--gold);
}

.hero-lead {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 34rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-bottom: 2rem;
}
.hero .btn-primary {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 4px 20px var(--gold-glow);
}
.hero .btn-primary:hover {
  background: #f5c842;
  color: var(--ink);
}
.hero .btn-ghost {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--white);
}
.hero .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-quote {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
  font-style: italic;
}
.hero-quote strong { color: var(--gold); font-style: normal; }

.hero-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.hero-metrics li {
  text-align: center;
  padding: 1rem 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold);
}
.metric-label {
  display: block;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 0.25rem;
}

/* Trust bar */
.trust-bar {
  padding: 0;
  margin-top: -2rem;
  position: relative;
  z-index: 2;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.trust-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-soft);
  color: var(--gold);
  border-radius: 10px;
}
.trust-icon svg { width: 22px; height: 22px; }
.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--ink);
  margin-bottom: 0.15rem;
}
.trust-item span {
  font-size: 0.8125rem;
  color: var(--slate);
}

/* Section shared */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.75rem;
}
.section-label--gold { color: #b8860b; }

.section-intro h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.section-intro p {
  color: var(--slate);
  max-width: 36rem;
  margin: 0;
  font-size: 1.0625rem;
}
.section-intro--center {
  text-align: center;
  margin: 0 auto 3.5rem;
}
.section-intro--center p { margin-inline: auto; }

/* About */
.about {
  padding: 6rem 0;
}
.about-layout .section-intro {
  max-width: 42rem;
  margin-bottom: 3rem;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.about-card {
  padding: 2rem;
  background: var(--mist);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.about-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}
.about-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--slate);
}

/* Areas */
.areas {
  padding: 6rem 0;
  background: var(--mist);
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.area-card {
  background: var(--white);
  padding: 2rem 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.area-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow);
}

.area-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.area-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}
.area-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--slate);
}

/* Approach */
.approach {
  padding: 6rem 0;
}
.approach-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.approach-content .section-label { margin-bottom: 0.75rem; }
.approach-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
}
.approach-content > p {
  color: var(--slate);
  margin-bottom: 2rem;
}

.approach-list li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.approach-list li:first-child { padding-top: 0; }
.approach-list li:last-child { border-bottom: none; }
.approach-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 0.25rem;
}
.approach-list span {
  font-size: 0.9rem;
  color: var(--slate);
}

.stat-panel {
  background: var(--ink);
  color: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.stat-panel-item { margin-bottom: 1.5rem; }
.stat-panel-item:last-of-type { margin-bottom: 0.5rem; }
.stat-label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.75);
}
.stat-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  overflow: hidden;
}
.stat-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), #f5d76e);
  border-radius: 3px;
  transition: width 1.2s var(--ease);
}
.stat-note {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  margin: 1.5rem 0 0;
}

/* Announcement */
.announcement {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--gold-soft) 100%);
}

.announcement-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.announcement-copy h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: 1rem;
}
.announcement-copy p {
  color: var(--slate);
  margin-bottom: 1.75rem;
}

.announcement-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.announcement-media img { width: 100%; }

/* Contact */
.contact {
  padding: 6rem 0;
  background: var(--mist);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
}
.contact-info > p {
  color: var(--slate);
  margin-bottom: 2rem;
}

.contact-details li {
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}
.contact-details-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
  margin-bottom: 0.35rem;
}
.contact-details a {
  color: var(--ink);
  font-weight: 600;
  transition: color 0.2s;
}
.contact-details a:hover { color: #b8860b; }

.contact-form-wrap {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.form-field--full { grid-column: 1 / -1; }

.form-field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}
.form-field textarea { resize: vertical; min-height: 100px; }

.form-status {
  text-align: center;
  font-size: 0.875rem;
  margin: 1rem 0 0;
  min-height: 1.25rem;
}
.form-status.success { color: #15803d; }
.form-status.error { color: #b91c1c; }

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
}
.footer-brand .logo--footer {
  margin-bottom: 1rem;
}
.footer-brand p {
  margin: 0;
  font-size: 0.9rem;
  max-width: 280px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--gold); }

.footer-copy {
  grid-column: 1 / -1;
  font-size: 0.8125rem;
  opacity: 0.5;
  margin: 2rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.12s; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner,
  .approach-layout,
  .announcement-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-brand { order: -1; }
  .hero-logo-wrap { max-width: 400px; margin-inline: auto; }
  .trust-grid { grid-template-columns: 1fr; }
  .about-cards,
  .areas-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    padding: 1.25rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: 0.35s var(--ease);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav a { padding: 0.75rem 0; }
  .nav-toggle.is-open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .about-cards,
  .areas-grid { grid-template-columns: 1fr; }
  .hero-metrics { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}